CN215621176U - Bidirectional mounting hub - Google Patents
Bidirectional mounting hub Download PDFInfo
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- CN215621176U CN215621176U CN202121251595.XU CN202121251595U CN215621176U CN 215621176 U CN215621176 U CN 215621176U CN 202121251595 U CN202121251595 U CN 202121251595U CN 215621176 U CN215621176 U CN 215621176U
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- hole
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- bearing hole
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Abstract
The utility model discloses a bidirectional mounting hub, which comprises a hub body; the center of the hub body is provided with a central shaft hole along the axial direction of the hub body, and the central shaft hole comprises a first gland hole, a first bearing hole, a middle connecting hole, a second bearing hole and a second gland hole which are sequentially arranged; the first gland hole and the first gland hole are symmetrically arranged, the first bearing hole and the second bearing hole are symmetrically arranged, the aperture of the first bearing hole is larger than that of the first bearing hole, and the aperture of the first bearing hole is larger than that of the middle connecting hole. The bidirectional mounting hub can be mounted in two directions, so that the power-assisted wheel can also be mounted in two directions, and the power-assisted wheel can be mounted and used again after being turned upside down after the tire of the power-assisted wheel is subjected to unilateral wear, thereby being beneficial to prolonging the service life of the tire of the power-assisted wheel and avoiding waste.
Description
Technical Field
The utility model relates to the field of wheelchairs, in particular to a bidirectional mounting hub.
Background
The wheelchair is a common medical auxiliary device and is mainly applied to patients with inconvenient actions, so that the patients can sit on the chair and can be pushed to move by caregivers or can move by the patients through pushing hand rims on the assisting wheels.
The wheelchairs of various types on the market can be generally divided into common wheelchairs and sport wheelchairs. The most important difference between sports wheelchairs and common wheelchairs is that: the power-assisted wheels on the two sides of the sport wheelchair incline outwards by a certain angle, so that the rider can better apply force to push the wheelchair to move forwards. While the hub 1 ' of the booster wheel of the existing wheelchair adopts a unidirectional installation design, namely the hub ' of the booster wheel can be assembled only in one direction, specifically, as shown in figure 1, the hub 1 ' of the existing booster wheel is installed on the frame 4 ' of the wheelchair through a wheel shaft 2 ', wherein the wheel shaft 2 'passes through the hub 1' and two bearings 3 'are arranged between the wheel shaft 2' and the hub 1 ', one end of the wheel shaft 2' is connected with a threaded shaft sleeve 5 'fixed on the wheelchair frame 4', the other end of the wheel shaft 2 'is provided with a gland 21', the gland 21 'of the wheel shaft 2' abuts against the bearing 3 'far away from the wheelchair frame 4' in the two bearings 3 'to prevent the bearing 3' from falling out, the threaded shaft sleeve 5 'abuts against the bearing 3' close to the wheelchair frame 4 'of the two bearings 3' to prevent the bearing 3 'from falling out, and the end of the hub 1' far away from the wheelchair frame 4 'is provided with a gland hole 11 for sleeving a gland 21' to prevent the gland 21 'of the wheel shaft 2' from being exposed.
In the prior art, because the power-assisted wheels of the sports wheelchair are obliquely arranged, after long-term use, one side of the tires of the power-assisted wheels, which is close to the wheelchair frame 4 ', is more seriously worn compared with the other side of the tires of the power-assisted wheels, which is far away from the wheelchair frame 4', so that the tires of the power-assisted wheels are subjected to unilateral wear; however, the hub 1' of the conventional booster wheel adopts a one-way mounting design, so that the booster wheel cannot be mounted and used in two ways, and once the tire of the booster wheel is worn on one side, the tire can only be replaced, so that the service life of the tire is short, and the use waste exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bidirectional mounting hub, which can enable a wheelchair power-assisted wheel to be mounted and used bidirectionally, thereby being beneficial to prolonging the service life of a tire of the power-assisted wheel and avoiding waste.
In order to achieve the above purpose, the solution of the utility model is:
a bidirectional mounting hub comprises a hub body; the center of the hub body is provided with a central shaft hole along the axial direction of the hub body, and the central shaft hole comprises a first gland hole, a first bearing hole, a middle connecting hole, a second bearing hole and a second gland hole which are sequentially arranged; the first gland hole and the first gland hole are symmetrically arranged, the first bearing hole and the second bearing hole are symmetrically arranged, the aperture of the first bearing hole is larger than that of the first bearing hole, and the aperture of the first bearing hole is larger than that of the middle connecting hole.
And spoke connecting parts for connecting spokes are respectively arranged at two ends of the hub body.
The spoke connecting portion are ring structure, and the spoke connecting portion are equipped with a plurality of spoke mounting holes, and each spoke mounting hole of spoke connecting portion is central symmetry setting about the central axis of colored hub body.
After the scheme is adopted, when the bidirectional mounting hub is mounted and used, the central shaft hole of the hub body is used for allowing a wheel shaft to penetrate, the first gland hole and the second gland hole of the central shaft hole are used for sleeving the gland of the wheel shaft, and the first bearing hole and the second bearing hole of the central shaft hole are used for mounting a bearing; the first gland hole and the first gland hole are symmetrically arranged, and the first bearing hole and the second bearing hole are symmetrically arranged, so that the bidirectional mounting hub can be mounted in a forward direction and a reverse direction; when the bidirectional mounting hub is mounted on a wheelchair frame through an axle, the gland of the axle can be sleeved by selecting one of the first gland hole and the first gland hole by selecting the mounting direction of the bidirectional mounting hub.
As can be seen from the above, the two-way mounting hub of the present invention can be mounted in two ways, so that the moped wheel with the two-way mounting hub of the present invention can also be mounted in two ways, and thus, if the tire with the moped wheel of the two-way mounting hub of the present invention is worn on one side, the moped wheel can be mounted again after being turned upside down, so that the worn part and the unworn part of the tire of the moped wheel can be used at the same position, and the moped wheel can be continuously used normally, thereby contributing to prolonging the service life of the tire of the moped wheel and avoiding waste.
Drawings
FIG. 1 is a schematic view of a conventional power-assisted hub;
FIG. 2 is a schematic structural view of a bi-directional mounting hub of the present invention;
FIG. 3 is a cross-sectional view of a bi-directionally mounted hub of the present invention
FIG. 4 is a schematic view of the installation and use of the bi-directional mounting hub of the present invention.
Description of reference numerals:
background art: the hub 1 ', the wheel shaft 2', the gland 21 ', the bearing 3', the wheelchair frame 4 'and the threaded shaft sleeve 5';
the specific implementation mode is as follows: the wheel hub comprises a hub body 1, a central shaft hole 11, a first gland hole 111, a first bearing hole 112, a middle connecting hole 113, a second bearing hole 114, a second gland hole 115, a spoke connecting part 12, a spoke mounting hole 121, a wheel shaft 2, a gland 21, a bearing 3 and a wheel chair frame 4.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 2 to 4, the present invention discloses a bidirectional mounting hub, which comprises a hub body 1; the center of the hub body 1 is provided with a central shaft hole 11 along the axial direction, and the central shaft hole 11 comprises a first gland hole 111, a first bearing hole 112, a middle connecting hole 113, a second bearing hole 114 and a second gland hole 115 which are sequentially arranged; the first gland hole 111 and the first gland hole 115 are symmetrically arranged, the first bearing hole 112 and the second bearing hole 114 are symmetrically arranged, the aperture of the first bearing hole 111 is larger than that of the first bearing hole 112, and the aperture of the first bearing hole 112 is larger than that of the middle connecting hole 113.
As shown in fig. 2 to 4, when the bidirectional mounting hub of the present invention is mounted and used, the central shaft hole 11 of the hub body 1 is used for the wheel axle 2 to pass through, the first gland hole 111 and the second gland hole 115 of the central shaft hole 11 are both used for sleeving the gland 21 of the wheel axle 2, and the first bearing hole 112 and the second bearing hole 114 of the central shaft hole 11 are used for mounting the bearing 3; the first gland hole 111 and the first gland hole 115 are symmetrically arranged, and the first bearing hole 112 and the second bearing hole 114 are symmetrically arranged, so that the bidirectional mounting hub can be mounted in a forward direction and a reverse direction; wherein the bidirectional mounting hub of the present invention can be mounted to the wheelchair frame 4 through the wheel axle 2 by selecting one of the first gland hole 111 and the first gland hole 115 to nest the gland 21 of the wheel axle 2 by selecting the mounting direction of the bidirectional mounting hub.
As can be seen from the above, the two-way mounting boss of the present invention can be mounted in two ways, so that the moped wheel having the two-way mounting boss of the present invention can also be mounted in two ways, and thus, if the tire of the moped wheel having the two-way mounting boss of the present invention is worn on one side, the moped wheel can be mounted again after being inverted, so that the worn part and the unworn part of the tire of the moped wheel can be exchanged in position, and the moped wheel can be continuously and normally used, thereby contributing to prolonging the service life of the tire of the moped wheel and avoiding waste.
As shown in fig. 2 and 3, the two ends of the hub body 1 may be respectively provided with spoke connecting portions 12 for connecting spokes, the spoke connecting portions 12 are in an annular structure, the spoke connecting portions 12 are provided with a plurality of spoke mounting holes 121 for connecting spokes, and the spoke mounting holes 12 of the spoke connecting portions 12 are arranged in a central symmetry manner about the central axis of the hub body 1.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (3)
1. A two-way installation flower hub which characterized in that: comprises a hub body; the center of the hub body is provided with a central shaft hole along the axial direction of the hub body, and the central shaft hole comprises a first gland hole, a first bearing hole, a middle connecting hole, a second bearing hole and a second gland hole which are sequentially arranged; the first gland hole and the first gland hole are symmetrically arranged, the first bearing hole and the second bearing hole are symmetrically arranged, the aperture of the first bearing hole is larger than that of the first bearing hole, and the aperture of the first bearing hole is larger than that of the middle connecting hole.
2. A bi-directionally mounted hub as claimed in claim 1, wherein: and spoke connecting parts for connecting spokes are respectively arranged at two ends of the hub body.
3. A bi-directional mounting hub as set forth in claim 2, wherein: the spoke connecting portion are ring structure, and the spoke connecting portion are equipped with a plurality of spoke mounting holes, and each spoke mounting hole of spoke connecting portion is central symmetry setting about the central axis of colored hub body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251595.XU CN215621176U (en) | 2021-06-04 | 2021-06-04 | Bidirectional mounting hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121251595.XU CN215621176U (en) | 2021-06-04 | 2021-06-04 | Bidirectional mounting hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215621176U true CN215621176U (en) | 2022-01-25 |
Family
ID=79941557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121251595.XU Active CN215621176U (en) | 2021-06-04 | 2021-06-04 | Bidirectional mounting hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215621176U (en) |
-
2021
- 2021-06-04 CN CN202121251595.XU patent/CN215621176U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |